Power Block Diagram - Sony Cybershot DSC-T20 Service Manual

3-3. POWER BLOCK DIAGRAM (1/2)

MC-177 SY-170 BOARD (1/2)
FLEXIBLE
CN705
BOARD
ACV_UNREG ACV_UNREG
D002
BATT_XEXT XACV_DET
19 10 Q004, Q013
CN001
MULTI
D003
CONNECTOR
CHARGE_V BATT_UNREG
XAV_JACK_IN
26 28
XPOWER_ON XPWR_ON
7 7
BT-034
FLEXIBLE
BOARD
CN702
BATT_UNREG BATT_UNREG
+
BH001
BATT_SIG BATT_SIG
BATTERY S 8
TERMINAL
BATT_GND XACV_IN
−
POWER (2/2)
XAV_JACK_IN
(PAGE 3-4)
VL_3V VL_3V
2
BT001
LITHIUM
BATTERY
IC101
POWER/ENABLE SIG
CONTROLLER
(2/8)
XPOWER_ON0
LDO1P8_EN H2
EVER_PSB J9
SW1P8_EN J1
PANEL_EN B1
DDCPV_EN C9
DDC5PSW_EN F7
DISW1P8_EN C2
DISW2P9_EN C1
XPOWER_ON1
32KHZ_IN
32KHZ_OUT
BL_EN1 F8
BL_EN2 F9
DDC1P2_RESET
DDC2P9_AD
DDC1P8_AD
08
DSC-T20/T25_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
F001
ST_UNREG
F002
ACV_UNREG
ACV_UNREG IC003
4 Vin
LDO_1P8_EN Vout 3
1.8V REG
1 CE
(1/8)
Q007
DISW1P8_EN
1.8V/3.0V
DISW2P9_EN
DISCHAGE
B L005
45 BATT LXM 5
L002
47 LXSU
9 PVAFE
L006
35 PVLED LXAFE 8
29 PVBST
28 GD
13 PVSD PVINV 20
PVM 4
D012
PVSU 44
SU 43
B8
D010
LXINV 21
L004
SWBST 30
L009
LXSD 16
S101
LENS COVER
IC001
DETECT
3 VSEN
DC/DC
A8 CONVERTER
(1/8)
J4
X102
L003
32.768KHz
J5 SWLED 34
LXLED 33
36 ONLED FBLLED 37
Q006
1.2V_INT
C8
D_3.0V
H7
D_1.8V
J7
L007
ACV_UNREG
9 SW
IC002
1 EN
VOUT 2
DC/DC
6 VBAT
CONVERTER
7 LBI
EVER_PSB (1/8)
8 PS
DDR_1.8V
Q010, Q012
1.8V SW_1P8_EN
IC006
SELECT SW
PANEL_EN
1 Vcont
LCD
POWER
D008 D009
REG
6 Vin
(1/8)
D_3.0V
L001
A_3.0V
D_1.8V
Q014
TI_5.0V
DDCPV_EN
Q003
MAX_5.0V
DDC5PSW_EN
CAM_-7.5V
D007
CAM_12V
D_1.2V
EVER_3.0V
IC004
VIN 4
1.2V_INT
VOLTAGE
VOUT 1
DETECTOR
(1/8)
D006
BL_H
BL_L
1.2V_INT
D_3.0V
D_1.8V
3-3
ST-163 FLEXIBLE
BOARD
CN701
ST_UNREG
TI_5.0V TI_5.0V
9
Q707
MAX_5.0V AF_ANODE
AF SW 2
CN706
PANEL_6.4V
Vout 4 34
L702
D_3.0V VCC (3.0V)
35
D_1.8V
33
FL701
TI_5.0V
BL_H
38
BL_L
39
MAX_5.0V
CD-695 FLEXIBLE BOARD
CN301
L302
CAM_-7.5V CCD_-7.5V
39
L303
CAM_12V CCD_12V
1
BL_H
BL_L
MAX_5.0V
DDR_1.8V
TI_5.0V
CAM_12V_1
A_3.0V
A
CAM_12V
POWER (2/2)
CAM_-7.5V
(PAGE 3-4)
D_3.0V
D_1.8V
D_1.2V
EVER_3.0V
ST-161 BOARD
T001
D001
L001
+
IC001
C901
CHARGING
FLASH CONTROL,
CHARGE CONTROL CAPACITOR
D002
SELF-TIMER/
AF ILLUMINATOR
VCC2 (6V)
LCD901
2.5 inch
COLOR
LCD
MONITOR
VCCI
D901
BACKLIGHT
BL_H
BL_L
IC001
CCD
IMAGER
IC002
HIGH SPEED
BUFFER AMP
FLASH
UNIT